59results about How to "Prevent side fall" patented technology

The invention relates to a bicycle riding auxiliary device and a bicycle with the same as well as an auxiliary method of the bicycle riding auxiliary device. The auxiliary device comprises an auxiliary wheel, a driving connecting device, a sensing device, a control device and a power supply and is fixedly installed on the bicycle, wherein the sensing device is used for monitoring motion parameters of the bicycle, and sending the monitored motion parameters to the control device; the control device calculates travelling state parameters according to the motion parameters; and according to the result of comparison between the state parameter and a parameter threshold value, a control signal is output to the driving connecting device to control the auxiliary wheel to lift up or fall down. The motion parameters of the bicycle are monitored to control the auxiliary wheel to lift up or fall down, namely, the auxiliary wheel is folded up automatically and does not affect the normal running of the bicycle when the bicycle stably goes forward; when the left and right inclination angles of the bicycle are more than set values, the auxiliary wheel is controlled to automatically fall down to perform a supporting action so as to prevent the bicycle from falling to one side, thus learners unconsciously master the balance in riding practice.

The invention provides a multifunctional teaching desk convenient for height adjustment, and belongs to teaching equipment. The multifunctional desk comprises a desk body, wherein a baffle plate is arranged at the upper end of the desk body; a placing box is fixedly connected to the right side of the desk body; a sliding groove is horizontally arranged in the upper end of the placing box; a connecting rod is fixedly connected to the upper end of the sliding groove in a horizontal direction; a limiting rod is fixedly connected to the upper end of the connecting rod in a vertical direction, andthe lower end of the limiting rod runs through the connecting rod; in the upper right side of the desk body, a through hole is kept under the limiting rod; a separating plate is fixedly connected to the lower end of the right side of the connecting rod; and a cover plate is arranged in the center of the front end of the desk body. According to the multifunctional desk provided by the invention, articles at the upper end of the desk can be prevented from dropping via the baffle plate; the placing box is used for placing books; the sliding block can slide in the sliding groove; the articles areplaced into the desk body and a rotary block is rotated, so that the upper end of a clamping block is clamped on the desk body and the desk body is sealed so as to prevent the articles in the desk body from dropping out; and a rotating shaft can be driven to rotate via a rotary disc, and the rotary disc can slide leftwards and rightwards on the rotating shaft.

A portable vehicle stop tire breaker solves the problems that an existing tire breaker is complex in structure, relatively poor in stability and poor in tire breaking effect and can hurt a person mistakenly. The portable vehicle stop tire breaker is characterized in that at least one module base is installed in an aluminum alloy combined base; each module base is provided with tire breaking nails and a protective cover; rolling locating end covers are installed on the left side and the right side of the combined base; the thickness is in normal distribution from the top wall of the protective cover to the side walls of the protective cover; the protective cover is connected with protective cover buckle installation clamping grooves of each module base through protective cover buckles folded inwards flatly; and symmetric oval holes are formed in the rolling locating end covers. The portable vehicle stop tire breaker has the beneficial effects that the aluminum alloy combined base is of a cavity structure, the strength is high, the bottom face is provided with serrated strips, the adhesive force between the bottom face and the ground is improved, the tire breaker falls to the ground and grabs the ground more stably, the perpendicularity and stability of the tire breaking nails can be better guaranteed, the tire breaking nails are prevented from laterally falling, it can be guaranteed that the human body is not harmed due to the wall thickness of the top wall of the protective cover, and the tire breaker can be more conveniently and rapidly grabbed and placed by a user through the arrangement of the rolling locating end covers.

The invention discloses a foldable extending chair, and relates to the technical field of multifunctional chairs. The foldable extending chair comprises a chair back, a seat plate and supporting legs,wherein the supporting legs are fixedly connected to the lower surface of the seat plate, foot pads are fixedly connected to the lower surfaces of the supporting legs, the chair back is fixedly connected to one side of the seat plate, a fixed block is fixedly connected to one side of the upper surface of the seat plate, and a rotating shaft is movably connected to the activity center of the fixedblock. According to the foldable extending chair, by arranging a damper, an overturning supporting leg suffers from certain resistance during rotation, and is prevented from laterally falling duringsupporting; by arranging an auxiliary supporting mechanism, the stability of supporting can be guaranteed, and the extending chair is prevented from falling; by cooperatively arranging a supporting movable plate and an installing pipe, an overturning seat plate can be effectively supported; an installing groove is hinged to the overturning supporting leg, one chair can have more extending space for placing articles or allowing persons to sit down.

The invention relates to a combined type book falling avoidance book stand. The combined type book falling avoidance book stand comprises a book stand body, the book stand body comprises a book stand base and a book stand main body, supporting vertical plates are arranged at the left end and the right end of the book stand base, and are provided with ring-pulls, a base plate is arranged between the supporting vertical plates, T-shaped clamping grooves are evenly distributed on the base plate, square grooves are formed in the front side wall and the rear side wall of the base plate, transverse plates of L-shaped baffles are located in the square grooves, the book stand main body is located at the portion, between the two supporting vertical plates, at the upper end of the base plate, a T-shaped clamping pillar is arranged at the lower end of the book stand, and is located in the T-shaped groove, a transverse base plate is arranged at the upper end of the T-shaped clamping pillar, a vertical supporting plate is arranged at the upper end of the transverse base plate, and a compression spring is arranged on the vertical supporting plate. Totally speaking, the combined type book falling avoidance book stand has the advantages of being simple in structure, convenient to use and capable of being automatically tightened according to the thickness of placed books.

The invention relates to a device which is specially connected to or arranged on a metal rolling mill or is specially suitable for the metal rolling mill and is used for carrying out the additional metal processing procedure, in particular to an auxiliary locating tool. The auxiliary locating tool comprises a body, the body is provided with a vertical work table, the vertical work table is provided with a horizontal locating device and a threaded hole, a screw is connected inside the threaded hole and provided with a limiting claw, and the limiting claw is hinged to the screw with the screw as a rotating shaft. The locating tool can prevent work-pieces from toppling laterally.

The invention discloses a novel pasting combined type drainage structural member, belonging to the field of drainage structural members for soft soil foundation construction. The traditional filter membrane layer structure usually sinks into a drainage channel and is cut by the side wall (rack) of the drainage channel under the action of lateral pressure, or has unsatisfactory water permeability. The novel pasting combined type drainage structural member comprises a plurality of longitudinal parallel drainage channel core plates or filter membrane layers, which are made of plastic or synthetic resin, and the drainage channel is arranged on at least one of the front side or the back side of each core plate. The novel pasting combined type drainage structural member is characterized in that at least one filter membrane layer coats the front side and the back side of each core plate, and the width of each film membrane layer is not less than that of each core plate, and the long edge of each filter membrane layer is fixedly bonded with the side end of each core plate through a bonded seam adhesive tape. The invention has the advantages of less adhesive consumption, high water permeability, good integral strength, high production efficiency and low cost, and the film membrane layers and the core plates are fixedly compounded and bonded and are difficult to collapse and fall off.

The invention discloses a pant-type paper diaper with a urine leakage prevention function. The pant-type paper diaper comprises a bottom layer structure, a three-dimensional guard and an absorption core, wherein omega-shaped leg guard rubber bands are arranged in the bottom layer structure, and the three-dimensional guard and the absorption core are arranged right above the leg guard rubber bands.The invention relates to the field of disposable sanitary articles, and in particular relates to the pant-type paper diaper with urine leakage prevention function and a manufacturing process and equipment thereof. The leg guard rubber bands are arranged in an omega shape, and under a using state of the paper diaper, the leg guard rubber bands surround the three-dimensional guard, exert an effectof assisting the three-dimensional guard, and prevent the three-dimensional guard from falling sideways, so that the leakage prevention effect of the pant-type paper diaper is greatly improved. In addition, and the leg guard rubber bands arranged in an omega shape are less in inflection points, and fixing glue used for fixing the leg guide rubber bands is reduced, so that the problem of hard texture of the pant-type paper diaper is solved, and wearing experience of a user is improved.

The invention relates to the field of container transporting, in particular to a container loose package glass transporting device and a using method thereof. A fixed frame, protective corners, a protective plate and a steel belt are included; the fixed frame is connected in a container; the cross section of a bottom beam is in a U shape; sole timber is embedded in the bottom beam; a reinforcing beam is sleeved with a fixed ring; glass is connected to the two sole timber; one end of the steel belt is connected to the fixed ring; the other end of the steel belt is connected to a connection buckle at the top of the container; a support in a shape of a Chinese character 'mu' is arranged, and the left and right sides of the support in the shape of a Chinese character 'mu' are each connected with the glass; and reinforcing stopping rods or top resisting assemblies are arranged so that the six faces of each glass can be effectively protected. The container loose package glass transporting device is firm and reliable in structure, it is prevented that due to jolting, shaking or impacting in the transporting process, the glass moves or falls on one side, the glass is protected against breakage in the transporting process, installing is easy, using is convenient, the using range is wide, and the container loose package glass transporting device is applicable to a closed container or anopen top container, and is also applicable to a wooden bottom plate container or an iron bottom plate container.

The invention relates to the technical field of buildings, in particular to a high-safety-coefficient material lifting platform for the building field. The high-safety-coefficient material lifting platform comprises a base, first sliding rails are formed in the two ends of the base, a first sliding rod is arranged on the inner sides of the first sliding rails, and a telescopic device is arranged at the upper end of the first sliding rod; a moving block is arranged on the outer side of the first sliding rod, a threaded rod is arranged in the moving block in a penetrating mode, a motor is arranged at the rear end of the threaded rod, stabilizing mechanisms are arranged at the front end and the rear end of the base correspondingly, and each stabilizing mechanism comprises a fixing pipe, a first through hole, a telescopic rod, a second through hole, a supporting block and a limiting pin; and an upper seat is arranged on the upper side of the telescopic device. According to the high-safety-coefficient material lifting platform, the gravity center of the lifting platform can be more stable, the lifting platform is prevented from falling laterally, building materials can be conveniently placed on the platform, labor is saved, the materials can be fixed, and the materials are prevented from sliding off the lifting platform in the lifting process.

The invention discloses a medical sharp instrument barrel. The medical sharp instrument barrel comprises a barrel body; a barrel ring is assembled and connected to the barrel body; a material guiding top cover is fixedly embedded in the middle of the barrel ring; a feeding hole is formed in the middle of the material guiding top cover in a penetrating mode; a needle pulling hole is formed in the position, on one side of the feeding hole, of the material guiding top cover in a penetrating mode; and a pedal groove is formed in one side of the bottom of the barrel body. When the medical sharp instrument barrel is used, a needle head of a sharp instrument can be pulled out through the needle pulling hole, damage to a user is avoided, and meanwhile, ampoule bottles and the like can be conveniently fed through the material guiding top cover, and the ampoule bottles and the like are prevented from falling to the outside; and the pedal groove is used in cooperation, so that the use stability can be improved, and the barrel body is prevented from laterally falling when the needle head is pulled out.

The invention discloses a high-stability folding landing gear for an unmanned aerial vehicle. The high-stability folding landing gear comprises an unmanned aerial vehicle body, a machine frame slot and a first frame bar, wherein the machine frame slot is formed in the lower side of the unmanned aerial vehicle body, and the front side wall of the machine frame slot is hinged to the upper end of thefirst frame rod through a circular ring rod. A horizontal circular groove is formed in the front side of the machine frame slot, and the horizontal circular groove is internally provided with a horizontal threaded rod. Bearings are fixed to both ends of the threaded rod, and the bearings are divided into a left bearing and a right bearing. The circular groove is internally provided with an electric motor, and the top end of a rotating shaft of the motor is horizontally and fixedly connected with one end of the threaded rod. The upper end of the left bearing is fixedly connected with the lowerend of a fixing block, and the upper end of the fixing block is fixedly connected with the groove bottom of the machine frame slot. The outer side walls of the bearings are fixedly connected with thegroove wall of the circular groove, and a spline is fixed to the side surface of a cylindrical rod. The spline is connected with threads on the side surface of the threaded rod in a threaded and meshing mode. The stability of the landing gear for the unmanned aerial vehicle is higher.

Drainage equipment for flood control and drainage comprises a bottom plate, four evenly-distributed first supporting plates are fixedly connected to the upper end of the bottom plate, an operation table is fixedly connected to the surfaces of the upper ends of the four first supporting plates, a rotatable local threaded rod is arranged on the inner wall of the middle of the operation table, rolling wheels are arranged on the two sides of the surfaces of the left end and the right end of the bottom plate correspondingly, reinforcing plates are arranged in the middles of the surfaces of the left end and the right end of the bottom plate correspondingly, and when the local threaded rod rotates, a structure that the rolling wheels synchronously move upwards and the reinforcing plates synchronously move outwards can be formed; and a water pump is installed on the front side of the upper end surface of the operation table, a rear end pipe of the water pump is connected with a nozzle capable of swinging left and right in a reciprocating mode, a large cylindrical pad capable of moving front and back is installed on the rear side of the upper end of the operation table, and when the large cylindrical pad moves front and back, a structure for adjusting the reciprocating left-right swinging amplitude of the nozzle can be formed. Through the rolling wheels capable of moving upwards and the reinforcing plates capable of moving outwards, the bottom plate and the reinforcing plates can be in contact with the ground, the equipment is kept stable, and side falling is prevented.

The invention provides an auxiliary monitoring type obstetric table for the obstetrics department. The auxiliary monitoring type obstetric table comprises a bottom box, wherein armrests capable of swinging front and back are installed on the upper sides of the surfaces of the left end and the right end of the bottom box respectively, a first supporting plate is fixedly connected to the inner wallof the bottom box, a rear supporting plate capable of turning over upwards is hinged to the rear end of the first supporting plate, and a front supporting plate capable of turning over upwards and downwards along with the rear supporting plate is hinged to the front end of the first supporting plate; sealing plates are slidably connected to the left end and the right end of the inner wall of the first supporting plate respectively, and when the rear supporting plate turns over upwards, the two sealing plates can slide outwards; a first sliding plate capable of turning over upwards and moving rightwards along with the rear supporting plate is slidably connected to the surface of the bottom end of the bottom box; and soft supports capable of moving backwards, upwards and rotating at the sametime are installed on the left side and the right side of the surface of the upper end of the bottom box respectively. Through the rear supporting plate capable of turning over upwards and the frontsupporting plate capable of turning over downwards, a pregnant woman can be assisted in defecation in a sitting posture.

The invention relates to the technical field of electric glue squeezing guns, and discloses a battery compartment applied to an electric glue squeezing gun. The battery compartment comprises a cover plate, wherein a main body assembly is arranged on the lower side of the cover plate, a detection assembly is movably mounted in the upper side of the main body assembly, the detection assembly comprises an air bag, a pushing block is arranged on the upper side of the air bag, a first spring is arranged on the outer side of the pushing block, and a moving assembly is movably mounted in the lower side of the main body assembly. According to the battery compartment applied to the electric glue squeezing gun, under the condition that a battery pack supplies energy for a long time, the battery pack can generate a large amount of heat, then the heat is diffused upwards to make contact with an air bag, the air bag is expanded through the thermal expansion and cold contraction principle so as to push a pushing block to compress a first spring to drive a first contact to move upwards, due to the fact that the first contact and a second contact are electrically connected with a motor, when the first contact makes contact with the second contact, the motor is triggered to be started, and the structure can achieve the effect that the heat dissipation device can be started and closed through temperature changes.

The invention discloses a portable unmanned aerial vehicle, which comprises a protection frame, folding wing frames and a vehicle body, wherein two sets of shaft frames are installed on the two sides of the vehicle body, the folding wing frames are installed at one ends of the shaft frames through threaded shaft bolts and fixing nuts in a matched mode, and propellers are installed at the tops of the folding wing frames through threaded shaft seats; the top of the threaded shaft seat is provided with a protection frame through a threaded structure, and the top of the vehicle body is provided with a top cover through a bolt. The folding wing frame is installed at one end of the shaft frame, when the folding wing frame is stored, the fixing nut can be rotated until the fixing nut and the threaded shaft bolt are loosened, so that the folding wing frame can be conveniently rotated to be folded and stored, a user can fold, store and carry the device when carrying the device, the occupied space of the device can be reduced, and meanwhile, the wing frame is prevented from being broken in the carrying process of the device, the safety of the device in the carrying process is guaranteed, the device is convenient to carry, and the portability of the device is improved.

The invention discloses a double-arc-shaped-cutter type tree digging robot which comprises a machine body. The top end of the machine body is provided with a control compartment. The control compartment is fixedly connected with the machine body. One end of the control compartment is provided with an engine case. The middle part of the bottom end of the machine body is provided with a transmissioncase. Furthermore the transmission case is fixedly connected with the machine body. One end of the transmission case is provided with a transmission shaft. Furthermore the transmission shaft is embedded into the transmission case. The top end of the transmission shaft is provided with a supporting arm. The supporting arm is fixedly connected with the machine body. A clamping device has a two-halftype. A middle bearing is utilized for connecting the two halves. A clamping force can be adjusted according to the tree diameter. Furthermore clamping sawteeth are arranged and a holding force of the device to a tree can be maximally increased, thereby realizing no easy slipping between the clamping device and the tree, and realizing higher stability in a clamping process. High clamping stability is realized in a tree digging process and device stability is improved.

The invention discloses automatic grass throwing equipment for grass carp feeding. The automatic grass throwing equipment comprises a rack, a control panel is arranged on the rack, a hopper, a feedingmechanism and a weighing mechanism are sequentially arranged on the rack from top to bottom, and a discharge port is formed in the bottom of the hopper; and an electric switch is arranged at the position of the discharge port, the discharge port is opened or closed through the electric switch, and the control panel is fixedly installed on the rack. The automatic grass throwing equipment can throwgreen grass regularly and quantitatively, and the labor intensity of workers is reduced.

The invention relates to the field of grain loading and unloading of grain stations, in particular to a high-stability conveying device for grain loading and unloading of a grain station. The high-stability conveying device comprises a base, universal wheels are mounted at the lower end of the base, a connecting rod is arranged at the position, close to the edge of one side, of the upper end of the base, a conveyor is arranged at the upper end of the connecting rod, hidden frames are arranged at the front end and the rear end of the base in an attached mode, anti-side-falling mechanisms are arranged on the inner sides of the hidden frames, an adjusting mechanism is arranged between the base and the conveyor, and a stabilizing mechanism is arranged on the outer side of the conveyor; and theanti-side-falling mechanism comprises first rotating shafts penetrating through the interiors of the hidden frames, rotating rods are arranged on the inner sides of the hidden frames on the outer sides of the first rotating shafts, handles are arranged at the front ends of the rotating rods, fixing grooves are formed in one ends of the first rotating shafts, and second rotating shafts are arranged in the fixing grooves. The high-stability conveying device for grain loading and unloading of the grain station is wide in application range, high in stability and convenient to use.